package com.example.demo.mapper;

import com.example.demo.entity.Classroom;
import org.apache.ibatis.annotations.Mapper;

import java.util.ArrayList;


@Mapper
public interface ClassroomMapper {

    //只查询班级
    ArrayList<Classroom> getAll();
    //查询班级和该班级的学生
    ArrayList<Classroom> getAllByStus();


}
